CVE-2024-56708 — Double Free in Linux
Severity
7.8HIGHNVD
OSV8.8
EPSS
0.0%
top 96.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 28
Latest updateMay 26
Description
In the Linux kernel, the following vulnerability has been resolved:
EDAC/igen6: Avoid segmentation fault on module unload
The segmentation fault happens because:
During modprobe:
1. In igen6_probe(), igen6_pvt will be allocated with kzalloc()
2. In igen6_register_mci(), mci->pvt_info will point to
&igen6_pvt->imc[mc]
During rmmod:
1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info)
2. In igen6_remove(), it will kfree(igen6_pvt);
Fix this issue by setting mci->pvt_info to NULL to …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages8 packages
▶CVEListV5linux/linux10590a9d4f23e0a519730d79d39331df60ad2079 — 029ac07bb92d2f7502d47a4916f197a8445d83bf+6